Adrenergic Agonists & Antagonists 2 Quiz
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Questions and Answers

Which type of β blockers are contraindicated in patients with asthma?

  • α1- and β-blockers
  • Nonselective β blockers (correct)
  • β1-selective adrenergic antagonists
  • Ultra-short acting β-blockers

What makes Esmolol unique compared to other β blockers?

  • Antioxidant properties
  • Long half-life
  • Ultra-short acting (correct)
  • Oral administration

In which condition are Atenolol and Metoprolol particularly useful?

  • Cardiac arrhythmias
  • Hypertension with impaired pulmonary function (correct)
  • Asthma
  • Diabetes without hypertension

Which β blocker is known for its competitive antagonist activity at both β and α1 receptors?

<p>Labetalol (B)</p> Signup and view all the answers

What is the primary advantage of Carvedilol?

<p>Antioxidant properties (A)</p> Signup and view all the answers

Which β blocker has more potency as a β-antagonist rather than an α-antagonist?

<p>Labetalol (A)</p> Signup and view all the answers

What differentiates Atenolol and Metoprolol from Carvedilol and Labetalol?

<p>Selective receptor activity (A)</p> Signup and view all the answers

Which β blocker is particularly suitable for rapid control of ventricular rate in atrial fibrillation or atrial flutter?

<p>Esmolol (D)</p> Signup and view all the answers

Why are nonselective β blockers contraindicated in patients with asthma?

<p>They cause bronchoconstriction (B)</p> Signup and view all the answers

Which characteristic makes Labetalol more versatile than other β blockers?

<p>Competitive antagonist at both β and α1 receptors (C)</p> Signup and view all the answers

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